What is it about?
This study explores the geological features observed in seismic sections of the Akal Fold and Thrust System, located in the southern Gulf of Mexico. Specifically, it focuses on how tectonic forces and the presence of shale have shaped the deformation of sedimentary rock layers from the Neogene. The key finding is identifying a "linked extension and contraction system," meaning that one part of the rock layers is extended while another is shortened. This interplay is driven by the movement of a ductile (soft and flexible) shale layer underneath, creating structures like faults, folds, and thrusts.
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Why is it important?
Understanding the geological history and structures of this region helps identify areas with potential hydrocarbon deposits. This research also contributes to the broader knowledge of how detached extension-contraction systems form, which can be applied to similar geological settings worldwide.
Perspectives
The findings open the door to further studies on the interplay between tectonics and sedimentary processes in other basins. Insights from this research can enhance the efficiency of oil and gas exploration, particularly in the Gulf of Mexico and similar basins. Understanding these systems can also inform sustainable resource extraction and mitigate risks like subsurface instability.
Mariano Cerca
Universidad Nacional Autonoma de Mexico, Instituto de Geociencias
Read the Original
This page is a summary of: NEOGENE SHALE-DETACHED EXTENSION AND CONTRACTION LINKED SYSTEM IN THE AKAL FOLD-AND-THRUST BELT, SE MEXICO, Interpretation, August 2024, Society of Exploration Geophysicists,
DOI: 10.1190/int-2024-0039.1.
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